@article{ref1,
title="Foreign bodies in the bladder",
journal="Klinichna khirurhiia",
year="1997",
author="Portnov, A. N.",
volume="",
number="11-12",
pages="101-101",
abstract="<p>[Abstract unavailable]</p><p>Language: ru</p>",
language="ru",
issn="0023-2130",
doi="",
url="http://dx.doi.org/"
}